Oktavia, Oktavia, Wardani Rahayu, and Iva Sarifah. 2025. “EVALUATION OF THE CONTENT VALIDITY OF THE BSDLE INSTRUMENT USING EXPERT JUDGMENT AND AIKEN’S V ANALYSIS”. International Conference on Humanity Education and Society (ICHES) 4 (1). https://proceedingsiches.com/index.php/ojs/article/view/389.